<!DOCTYPE html>
<html>

<head>
  <meta charset="UTF-8">
  <title>单选框、复选框</title>
</head>

<body>
<form action="save.php" method="post">
  <label>性别:</label>
  <label>男</label>
  <input type="radio" value="1" name="gender" />
  <label>女</label>
  <input type="radio" value="2" name="gender" />
</form>
</body>

</html>